Lithium battery cell termination adhesive tape die cutting device

Abstract

The invention provides a lithium battery cell termination adhesive tape die cutting device, and relates to the field of termination adhesive tape production, the lithium battery cell termination adhesive tape die cutting device comprises a limiting supporting base, a positioning mounting base, a sliding mounting frame, a fourth reciprocating self-locking driving part, a driving rack and a limiting blocking plate; the positioning mounting base is welded to the middle of the limiting supporting base. The sliding mounting frames are connected to the left side and the right side of the limiting supporting base in a sliding manner; the fourth reciprocating self-locking driving piece is in bolted connection with the outer side of the sliding mounting frame; the driving racks are connected to the front side and the rear side of the sliding installation frame in a sliding mode. The limiting blocking plates are hinged to the front side and the rear side of the sliding installation frame. According to the adhesive tape die cutting device, a worker can be prevented from touching a cutter, potential safety hazards are reduced, and the problem that certain potential safety hazards exist when adhesive tape is subjected to die cutting is solved.

Description

Technical Field

[0001] The invention relates to the technical field of termination tape production, and in particular to a termination tape die-cutting device for a lithium battery cell. Background Art

[0002] In recent years, clean energy conversion devices, led by lithium-ion batteries, have developed rapidly. They have the characteristics of high energy storage, large output power and light weight, and are widely used in new energy vehicles and other fields. In the production of lithium-ion batteries, a special pressure-sensitive tape is needed for fixing and insulating the tabs and termination parts of square, cylindrical and other lithium-ion battery cells. This type of insulating tape usually uses organic polymer film materials as the substrate, and a high-performance adhesive is coated on its surface to form a lithium-ion battery-specific termination tape with excellent adhesion. After the termination tape is coated with a high-performance adhesive, it needs to be baked at high temperature to accelerate the volatilization rate of the glue solvent, and then the tape is rewound and cut by a rewinder. The cut film is bonded to the tape by a laminating machine. At this time, a die-cutting device is needed to cut the excess film at the edge of the tape. During cutting, the tape is conveyed and rewound by a conveyor roller and a rewinding roller. After the cut tape is stripped, it will be wound on a plastic tube or paper tube by a winding machine.

[0003] However, when die-cutting the tape, if the staff accidentally touches the cutter, they are likely to be injured, which poses a certain safety hazard and affects the safety of the die-cutting device. In addition, the tape is prone to shift during the winding process, resulting in a shift in the cutting position, affecting the die-cutting effect of the tape and the production quality of the tape. Summary of the invention

[0004] In view of this, the present invention provides a lithium battery cell termination tape die-cutting device, which can block the staff to prevent the staff from touching the cutter, thereby ensuring the personal safety of the staff, reducing safety hazards, and improving the safety of the die-cutting device. The practicality of the die-cutting device is effectively improved, the die-cutting efficiency of the tape is improved, the production efficiency of the tape is improved, and the placement position of the tape is conveniently determined. At the same time, the tape can also be intermittently pushed to the middle, and the offset tape can be adjusted in time, which effectively improves the accuracy of the tape cutting position, ensures the die-cutting effect, and improves the production quality of the tape.

[0005] The present invention provides a purpose and function of a lithium battery cell termination tape die-cutting device, which specifically includes: a limiting support base, a positioning mounting base, a limiting structure, a cleaning structure, a sliding mounting frame, a protective structure, a fourth reciprocating self-locking drive component, a driving rack and a limiting blocking plate; the positioning mounting base is welded to the middle part of the limiting support base; a conveying roller and a winding roller are respectively arranged on the front and rear sides of the limiting support base; the limiting structure is arranged on the upper part of the positioning mounting base; two cleaning structures are arranged, and the two cleaning structures are respectively arranged on the inner sides of the two sliding mounting frames; the sliding mounting frame is provided with two The two sliding mounting frames are respectively connected to the left and right sides of the limit support base by sliding left and right; the two protective structures are respectively arranged on the left and right sides of the limit support base; the two fourth reciprocating self-locking driving members are respectively bolted to the outsides of the two sliding mounting frames; the four driving racks are respectively connected to the front and rear sides of the two sliding mounting frames by sliding up and down; the four limit blocking plates are respectively hinged to the front and rear sides of the two sliding mounting frames.

[0006] Furthermore, the limiting structure includes a limiting support plate, a sliding connecting plate and a reset elastic member; the limiting support plate is fixedly connected to the upper part of the positioning mounting base; the sliding connecting plate is slidably connected to the inner side of the limiting support plate up and down; a plurality of reset elastic members are provided, and the sliding connecting plate is elastically connected to the limiting support plate through a plurality of the reset elastic members.

[0007] Furthermore, the limiting structure also includes a tape limiting plate, a limiting pressure inclined block and a limiting extrusion inclined block; two tape limiting plates are provided, and the two tape limiting plates are respectively fixedly connected to the left and right sides of the sliding connecting plate; two limiting pressure inclined blocks are provided, and the two limiting pressure inclined blocks are respectively fixedly connected to the lower end surfaces of the two tape limiting plates; two limiting extrusion inclined blocks are provided, and the two limiting extrusion inclined blocks are respectively fixedly connected to the lower parts of the two sliding mounting frames.

[0008] Furthermore, the cleaning structure includes a transmission screw, a third reciprocating self-locking drive member and a sliding mounting seat; two transmission screws are provided, and the two transmission screws are respectively rotatably connected to the lower parts of the two sliding mounting frames; two third reciprocating self-locking drive members are provided, and the two third reciprocating self-locking drive members are respectively bolted to the lower parts of the two sliding mounting frames; the two third reciprocating self-locking drive members are respectively coaxially fixedly connected to the two transmission screws; two sliding mounting seats are provided, and the two sliding mounting seats are respectively threadedly connected to the outer sides of the two transmission screws, and the two sliding mounting seats are respectively slidably connected to the two debris collection boxes.

[0009] Furthermore, the cleaning structure also includes a first storage box and a cutter cleaning brush; four first storage boxes are provided, and the four first storage boxes are respectively bolted to the front and rear sides of the two sliding mounting frames; four groups of cutter cleaning brushes are provided, and the four groups of cutter cleaning brushes are respectively fixedly connected to the upper and lower sides of the two sliding mounting seats.

[0010] Furthermore, the cleaning structure also includes a debris collection brush and a second storage box; the debris collection brush is provided in two groups, and the two groups of debris collection brushes are respectively fixedly connected to the lower part of the two sliding mounting seats; the second storage boxes are provided in four groups, and the four second storage boxes are respectively bolted to the upper part of the two sliding mounting seats.

[0011] Furthermore, the protective structure includes a position adjustment screw, a synchronous transmission structure and a first reciprocating self-locking drive member; two position adjustment screws are provided, and the two position adjustment screws are respectively rotatably connected to the front and rear sides of the limit support base, and the two position adjustment screws are respectively threadedly connected to the front and rear sides of the two sliding mounting frames, and the two position adjustment screws are both double-headed screws; the synchronous transmission structure is a synchronous belt transmission mechanism, and the two position adjustment screws are transmission connected through the synchronous transmission structure; the first reciprocating self-locking drive member is bolted to the left side of the limit support base, and the motor shaft of the first reciprocating self-locking drive member is coaxially fixedly connected to the rear position adjustment screw.

[0012] Furthermore, the protective structure also includes an active driving gear, a guide connecting rod and a limit mounting plate; two active driving gears are provided, and the two active driving gears are respectively rotatably connected to the outsides of the two sliding mounting frames, and the two active driving gears are respectively coaxially fixedly connected to the motor shafts of the two fourth reciprocating self-locking driving members; the two active driving gears are respectively meshed with the four driving racks; a plurality of guide connecting rods are provided, and the plurality of guide connecting rods are evenly distributed and slidably connected up and down on the upper and lower sides of the two sliding mounting frames; four limit mounting plates are provided, and the four limit mounting plates are respectively fixedly connected to the outsides of the plurality of guide connecting rods, and the four limit mounting plates are respectively fixedly connected to the four driving racks.

[0013] Furthermore, the protective structure also includes an edge cutting knife, a debris collection box and a tape passing groove; four edge cutting knives are provided, and the four edge cutting knives are respectively bolted to the inner sides of the plurality of guide connecting rods; two debris collection boxes are provided, and the two debris collection boxes are respectively bolted to the lower parts of the two lower edge cutting knives; four tape passing grooves are provided, and the four tape passing grooves are respectively opened in the middle parts of the four limit blocking plates.

[0014] Beneficial Effects The invention can block the staff by the limit blocking plate when die-cutting the adhesive tape, so as to prevent the staff from hitting the cutter, ensure the personal safety of the staff, reduce potential safety hazards, and improve the safety of the die-cutting device. The cut debris is collected by the debris collection box, so that the debris is conveniently processed in a unified manner, and the situation that the debris falls on the die-cutting device and is difficult to clean is avoided, and the practicality of the die-cutting device is effectively improved. The two cutting knives cut both sides of the adhesive tape at the same time, so that the die-cutting efficiency of the adhesive tape is effectively improved, and the production efficiency of the adhesive tape is improved. The debris adhering to the cutter is cleaned by the cutter cleaning brush, so as to prevent the debris from falling on the adhesive tape again. The debris is collected by the debris collecting brush, the first storage box and the second storage box, so that the debris is conveniently processed in a unified manner. The placement position of the adhesive tape is conveniently determined by the tape limit plate, and the adhesive tape can be intermittently pushed to the middle at the same time, and the offset adhesive tape can be adjusted in time, so that the accuracy of the tape cutting position is effectively improved, the die-cutting effect is guaranteed, and the production quality of the adhesive tape is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0016] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture: Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the installation position of the first reciprocating self-locking driving member of the present invention.

[0019] Figure 3 It is a schematic diagram of the matching relationship between the driving rack and the active driving gear of the present invention.

[0020] Figure 4 It is a schematic diagram of the position of the limiting extrusion inclined block of the present invention.

[0021] Figure 5 It is a schematic diagram of the positional relationship between the limiting support plate and the tape limiting plate of the present invention.

[0022] Figure 6 It is a schematic diagram of the connection relationship between the sliding connection plate, the tape limiting plate and the limiting pressure inclined block of the present invention.

[0023] Figure 7 It is a schematic diagram of the positional relationship between the debris collection box and the sliding mounting seat of the present invention.

[0024] Figure 8 It is a schematic diagram of the matching relationship between the transmission screw rod and the sliding mounting seat of the present invention.

[0025] Reference numerals list 1. Limiting support base; 101. Position adjustment screw; 102. Synchronous transmission structure; 103. First reciprocating self-locking drive member; 2. Positioning installation base; 201. Limiting support plate; 202. Sliding connecting plate; 203. Resetting elastic member; 204. Adhesive tape limiting plate; 205. Limiting pressure inclined block; 4. Sliding mounting frame; 401. Active driving gear; 402. Guide connecting rod; 403. Limiting mounting plate; 404. Edge cutting knife; 405. Debris collecting box; 406. First storage box; 407. Transmission screw; 408. Third reciprocating self-locking drive member; 409. Sliding mounting seat; 410. Cutter cleaning brush; 411. Debris collecting brush; 412. Second storage box; 413. Limiting extrusion inclined block; 5. Fourth reciprocating self-locking drive member; 6. Driving rack; 8. Limiting blocking plate; 801. Adhesive tape passage. DETAILED DESCRIPTION

[0026] Example 1: Please refer to Figures 1 to 4 As shown: The present invention provides a lithium battery cell termination tape die-cutting device, comprising a limit support base 1, a sliding mounting frame 4, a protective structure, a fourth reciprocating self-locking driving member 5, a driving rack 6 and a limit blocking plate 8; two sliding mounting frames 4 are provided, and the two sliding mounting frames 4 are respectively slidably connected to the left and right sides of the limit support base 1; the front and rear sides of the limit support base 1 are respectively provided with a conveying roller and a winding roller; two protective structures are provided, and the two protective structures are respectively provided on the left and right sides of the limit support base 1; two fourth reciprocating self-locking driving members 5 are provided, and the two fourth reciprocating self-locking driving members 5 are respectively bolted to the outsides of the two sliding mounting frames 4; four driving racks 6 are provided, and the four driving racks 6 are respectively slidably connected to the front and rear sides of the two sliding mounting frames 4; four limit blocking plates 8 are provided, and the four limit blocking plates 8 are respectively hinged to the front and rear sides of the two sliding mounting frames 4.

[0027] Among them, the protective structure includes a position adjustment screw 101, a synchronous transmission structure 102 and a first reciprocating self-locking drive member 103; two position adjustment screw rods 101 are provided, and the two position adjustment screw rods 101 are respectively rotatably connected to the front and rear sides of the limiting support base 1, and the two position adjustment screw rods 101 are respectively threadedly connected to the front and rear sides of the two sliding mounting frames 4, and the two position adjustment screw rods 101 are both double-headed screw rods; the synchronous transmission structure 102 is a synchronous belt transmission mechanism, and the two position adjustment screw rods 101 are connected through the synchronous transmission structure 102; the first reciprocating self-locking drive member 103 is bolted to the left side of the limiting support base 1, and the motor shaft of the first reciprocating self-locking drive member 103 is coaxially fixedly connected with the rear position adjustment screw rod 101.

[0028] Among them, the protective structure also includes an active driving gear 401, a guide connecting rod 402 and a limit mounting plate 403; two active driving gears 401 are provided, and the two active driving gears 401 are respectively rotatably connected to the outside of the two sliding mounting frames 4, and the two active driving gears 401 are respectively coaxially fixedly connected to the motor shafts of the two fourth reciprocating self-locking driving members 5; the two active driving gears 401 are respectively meshed with four driving racks 6; a plurality of guide connecting rods 402 are provided, and the plurality of guide connecting rods 402 are evenly distributed and slidably connected to the upper and lower sides of the two sliding mounting frames 4; four limit mounting plates 403 are provided, and the four limit mounting plates 403 are respectively fixedly connected to the outsides of the plurality of guide connecting rods 402, and the four limit mounting plates 403 are respectively fixedly connected to the four driving racks 6.

[0029] Among them, the protective structure also includes an edge cutting knife 404, a debris collection box 405 and a tape passage groove 801; four edge cutting knives 404 are provided, and the four edge cutting knives 404 are respectively bolted to the inner side of multiple guide connecting rods 402; two debris collection boxes 405 are provided, and the two debris collection boxes 405 are respectively bolted to the lower part of the two lower edge cutting knives 404; four tape passage grooves 801 are provided, and the four tape passage grooves 801 are respectively opened in the middle of the four limit blocking plates 8.

[0030] The specific usage and function of this embodiment are as follows: when trimming the excess film at the edge of the tape, first fix one end of the tape on the winding roller, then start the first reciprocating self-locking driving member 103, so that the first reciprocating self-locking driving member 103 drives the position adjustment screw rod 101 to rotate, and the synchronous transmission structure 102 can make the two position adjustment screw rods 101 rotate at the same time, and when the position adjustment screw rod 101 rotates, it can drive the sliding mounting frame 4 to slide along the limiting support base 1 until the edge cutting knife 404 is flush with the edge of the tape, and then start the fourth reciprocating self-locking driving member 5, so that the fourth reciprocating self-locking driving member 5 drives the active driving gear 401 to rotate, and the active driving gear 40 When the drive rack 6 rotates, it will push the driving rack 6 to slide, so that the driving rack 6 drives the limit mounting plate 403 and the edge cutting knife 404 to move, and the excess film at the edge of the tape is cut off by the edge cutting knife 404. The guide connecting rod 402 can guide the movement of the edge cutting knife 404, and the cut debris will fall into the debris collection box 405. During cutting, the limit blocking plate 8 will block the edge cutting knife 404 to prevent the surrounding staff from approaching. The tape passage groove 801 can prevent the limit blocking plate 8 from interfering with the conveying of the tape. When the debris collection box 405 needs to be cleaned, the limit blocking plate 8 can be flipped down to expose the debris collection box 405.

[0031] Example 2: Please refer to Figures 2 to 8 As shown: On the basis of embodiment one, it also includes a positioning mounting base 2, a limiting structure and a cleaning structure; the positioning mounting base 2 is welded to the middle part of the limiting support base 1; the limiting structure is arranged on the upper part of the positioning mounting base 2; two cleaning structures are arranged, and the two cleaning structures are respectively arranged on the inner sides of two sliding mounting frames 4.

[0032] Among them, the limiting structure includes a limiting support plate 201, a sliding connecting plate 202 and a reset elastic member 203; the limiting support plate 201 is fixedly connected to the upper part of the positioning mounting base 2; the sliding connecting plate 202 is connected to the inner side of the limiting support plate 201 by sliding up and down; there are multiple reset elastic members 203, and the sliding connecting plate 202 is elastically connected to the limiting support plate 201 through multiple reset elastic members 203.

[0033] Among them, the limiting structure also includes a tape limiting plate 204, a limiting pressure inclined block 205 and a limiting extrusion inclined block 413; there are two tape limiting plates 204, and the two tape limiting plates 204 are respectively fixedly connected to the left and right sides of the sliding connecting plate 202; there are two limiting pressure inclined blocks 205, and the two limiting pressure inclined blocks 205 are respectively fixedly connected to the lower end surfaces of the two tape limiting plates 204; there are two limiting extrusion inclined blocks 413, and the two limiting extrusion inclined blocks 413 are respectively fixedly connected to the lower parts of the two sliding mounting frames 4.

[0034] Among them, the cleaning structure includes a transmission screw 407, a third reciprocating self-locking drive member 408 and a sliding mounting seat 409; two transmission screws 407 are provided, and the two transmission screws 407 are respectively rotatably connected to the lower part of the two sliding mounting frames 4; two third reciprocating self-locking drive members 408 are provided, and the two third reciprocating self-locking drive members 408 are respectively bolted to the lower part of the two sliding mounting frames 4; the two third reciprocating self-locking drive members 408 are respectively coaxially fixedly connected to the two transmission screws 407; two sliding mounting seats 409 are provided, and the two sliding mounting seats 409 are respectively threadedly connected to the outer sides of the two transmission screws 407, and the two sliding mounting seats 409 are respectively slidably connected to the two debris collection boxes 405.

[0035] Among them, the cleaning structure also includes a first storage box 406 and a cutter cleaning brush 410; four first storage boxes 406 are provided, and the four first storage boxes 406 are bolted to the front and rear sides of the two sliding mounting frames 4 respectively; four groups of cutter cleaning brushes 410 are provided, and the four groups of cutter cleaning brushes 410 are fixedly connected to the upper and lower sides of the two sliding mounting seats 409 respectively.

[0036] Among them, the cleaning structure also includes a debris collection brush 411 and a second storage box 412; two groups of debris collection brushes 411 are provided, and the two groups of debris collection brushes 411 are respectively fixedly connected to the lower part of the two sliding mounting seats 409; four second storage boxes 412 are provided, and the four second storage boxes 412 are respectively bolted to the upper part of the two sliding mounting seats 409.

[0037] The specific usage and function of this embodiment are as follows: when cutting the edge of the tape, first place the tape above the limiting support plate 201. At this time, the tape limiting plate 204 can limit the two sides of the tape. After the cutting is completed, the conveying roller and the winding roller change the cutting position of the tape. When the sliding mounting frame 4 moves, the limiting extrusion bevel block 413 will first contact the limiting pressure bevel block 205. At this time, the limiting extrusion bevel block 413 will squeeze the limiting pressure bevel block 205 downward, so that the limiting pressure bevel block 205 drives the tape limiting plate 204 and the sliding connecting plate 202 to move downward. At this time, the tape limiting plate 204 no longer blocks the outside of the tape. The edge cutting knife 404 cuts the edge of the tape. When the cutting is completed, the resetting elastic member 203 pushes the sliding connecting plate 202 to reset. After the edge cutting knife 404 is reset, the third reciprocating self-locking driving member 408 starts to drive the transmission screw 407 to rotate. When the transmission screw 407 rotates, it drives the sliding mounting seat 409 to slide. At this time, the cutter cleaning brush 410 cleans the edge cutting knife 404. At the same time, the debris collecting brush 411 cleans the debris in the debris collecting box 405 into the first storage box 406, and the debris cleaned from the upper edge cutting knife 404 falls into the second storage box 412.

[0038] In this article, there are a few points to note: 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0039] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0040] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A lithium battery cell termination tape die-cutting device, comprising: A limit support base (1), a positioning mounting base (2), a limit structure, a cleaning structure, a sliding mounting frame (4), a protective structure, a fourth reciprocating self-locking driving member (5), a driving rack (6) and a limit blocking plate (8); the positioning mounting base (2) is welded to the middle of the limit support base (1); a conveying roller and a winding roller are respectively arranged on the front and rear sides of the limit support base (1); the limit structure is arranged on the upper part of the positioning mounting base (2); two cleaning structures are arranged, and the two cleaning structures are respectively arranged on the inner sides of the two sliding mounting frames (4); two sliding mounting frames (4) are arranged, and the two sliding mounting frames (4) The two protective structures are respectively connected to the left and right sides of the limit support base (1) in a sliding manner; two protective structures are respectively arranged on the left and right sides of the limit support base (1); two fourth reciprocating self-locking driving members (5) are respectively bolted to the outside of the two sliding mounting frames (4); four driving racks (6) are respectively connected to the front and rear sides of the two sliding mounting frames (4) in a sliding manner; four limit blocking plates (8) are respectively hinged to the front and rear sides of the two sliding mounting frames (4).

2. A lithium battery cell termination tape die-cutting device as claimed in claim 1, characterized in that: The protective structure comprises a position adjustment screw (101), a synchronous transmission structure (102) and a first reciprocating self-locking driving member (103); two position adjustment screws (101) are provided, the two position adjustment screws (101) are respectively rotatably connected to the front and rear sides of the position limiting support base (1), the two position adjustment screws (101) are respectively threadedly connected to the front and rear sides of the two sliding mounting frames (4), and the two position adjustment screws (101) are both double-headed screws; the synchronous transmission structure (102) is a synchronous belt transmission mechanism, and the two position adjustment screws (101) are transmission-connected via the synchronous transmission structure (102); the first reciprocating self-locking driving member (103) is bolted to the left side of the position limiting support base (1), and the motor shaft of the first reciprocating self-locking driving member (103) is coaxially fixedly connected to the position adjustment screw (101) at the rear side.

3. A lithium battery cell termination tape die-cutting device as claimed in claim 2, characterized in that: The protective structure further comprises an active driving gear (401), a guide connecting rod (402) and a limit mounting plate (403); two active driving gears (401) are provided, and the two active driving gears (401) are respectively rotatably connected to the outside of the two sliding mounting frames (4), and the two active driving gears (401) are respectively coaxially fixedly connected to the motor shafts of the two fourth reciprocating self-locking driving members (5); the two active driving gears (401) are respectively meshed with the four driving racks (6); a plurality of guide connecting rods (402) are provided, and the plurality of guide connecting rods (402) are evenly distributed and slidably connected to the upper and lower sides of the two sliding mounting frames (4); four limit mounting plates (403) are provided, and the four limit mounting plates (403) are respectively fixedly connected to the outside of the plurality of guide connecting rods (402); and the four limit mounting plates (403) are respectively fixedly connected to the four driving racks (6).

4. A lithium battery cell termination tape die-cutting device as claimed in claim 3, characterized in that: The protective structure further comprises an edge cutting knife (404), a debris collection box (405) and a tape passage groove (801); four edge cutting knives (404) are provided, and the four edge cutting knives (404) are respectively bolted to the inner side of the plurality of guide connecting rods (402); two debris collection boxes (405) are provided, and the two debris collection boxes (405) are respectively bolted to the lower parts of the two lower edge cutting knives (404); four tape passage grooves (801) are provided, and the four tape passage grooves (801) are respectively opened in the middle parts of the four limit blocking plates (8).

5. A lithium battery cell termination tape die-cutting device as claimed in claim 4, characterized in that: The limiting structure comprises a limiting support plate (201), a sliding connection plate (202) and a resetting elastic member (203); the limiting support plate (201) is fixedly connected to the upper part of the positioning mounting base (2); the sliding connection plate (202) is slidably connected to the inner side of the limiting support plate (201) in an up-and-down manner; a plurality of resetting elastic members (203) are provided, and the sliding connection plate (202) is elastically connected to the limiting support plate (201) via the plurality of resetting elastic members (203).

6. A lithium battery cell termination tape die-cutting device as claimed in claim 5, characterized in that: The limiting structure further comprises a tape limiting plate (204), a limiting pressure inclined block (205) and a limiting extrusion inclined block (413); two tape limiting plates (204) are provided, and the two tape limiting plates (204) are respectively fixedly connected to the left and right sides of the sliding connection plate (202); two limiting pressure inclined blocks (205) are provided, and the two limiting pressure inclined blocks (205) are respectively fixedly connected to the lower end surfaces of the two tape limiting plates (204); two limiting extrusion inclined blocks (413) are provided, and the two limiting extrusion inclined blocks (413) are respectively fixedly connected to the lower parts of the two sliding mounting frames (4).

7. A lithium battery cell termination tape die-cutting device as claimed in claim 6, characterized in that: The cleaning structure comprises a transmission screw (407), a third reciprocating self-locking driving member (408) and a sliding mounting seat (409); two transmission screws (407) are provided, and the two transmission screws (407) are respectively rotatably connected to the lower parts of the two sliding mounting frames (4); two third reciprocating self-locking driving members (408) are provided, and the two third reciprocating self-locking driving members (408) are respectively bolted to the lower parts of the two sliding mounting frames (4); the two third reciprocating self-locking driving members (408) are respectively coaxially fixedly connected to the two transmission screws (407); two sliding mounting seats (409) are provided, and the two sliding mounting seats (409) are respectively threadedly connected to the outer sides of the two transmission screws (407), and the two sliding mounting seats (409) are respectively slidably connected to the two debris collection boxes (405).

8. A lithium battery cell termination tape die-cutting device as claimed in claim 7, characterized in that: The cleaning structure further comprises a first storage box (406) and a cutter cleaning brush (410); four first storage boxes (406) are provided, and the four first storage boxes (406) are respectively bolted to the front and rear sides of the two sliding mounting frames (4); four groups of cutter cleaning brushes (410) are provided, and the four groups of cutter cleaning brushes (410) are respectively fixedly connected to the upper and lower sides of the two sliding mounting seats (409).

9. A lithium battery cell termination tape die-cutting device as claimed in claim 8, characterized in that: The cleaning structure further comprises a debris collection brush (411) and a second storage box (412); two groups of the debris collection brush (411) are provided, and the two groups of the debris collection brush (411) are respectively fixedly connected to the lower parts of the two sliding mounting seats (409); four second storage boxes (412) are provided, and the four second storage boxes (412) are respectively bolted to the upper parts of the two sliding mounting seats (409).

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